Machine Features&colon;1&period; Good rigidity&comma; compact structure&comma; optimized arrangement of work pieces&comma; good function of cutting integrated&comma; high material using rate&period;2&period; Marking&comma; punching&comma; cutting&comma; are automatically operated with high efficiency&period;3&period; Computer has friendly interface&comma; which can show work piece's figure&comma; easy for operation&period;4&period; Easy programming&comma; only need to input the data of work piece size&comma; hole diameter&comma; back mark value and quantity wanted for finished pieces&period; Or the programming data created from sample yardage software can also be directly used5&period; Many solutions are adopted to resolve problems of difficult infeeding angle bar and back mark error which are caused by angle bar deformation&period;6&period; With PLC and servo motor the machine can get high efficiency and stable work accuracy&period;7&period; The control system has self-diagnose and data statistics8&period; The key hydraulic&comma; pneumatic and electrical components are all imported